void mark_tech_preview(const char *msg, struct module *mod)
{
        const char *str = NULL;

        if (msg)
                str = msg;
#ifdef CONFIG_MODULES
        else if (mod && mod->name)
                str = mod->name;
#endif

        pr_warning("TECH PREVIEW: %s may not be fully supported.\n"
                   "Please review provided documentation for limitations.\n",
                   (str ? str : "kernel"));
        add_taint(TAINT_TECH_PREVIEW);
#ifdef CONFIG_MODULES
        if (mod)
                mod->taints |= (1U << TAINT_TECH_PREVIEW);
#endif
}